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added more generic data access classes for postgres.

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DESKTOP-GENO133\IvanPlex
2024-02-08 19:26:42 -07:00
parent b5cdd66248
commit 00622126d7
6 changed files with 810 additions and 5 deletions
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160
External/Implementations/Postgres/SupplyRecordDataAccess.cs vendored Normal file
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using CarCareTracker.External.Interfaces;
using CarCareTracker.Models;
using Npgsql;
using System.Text.Json;
namespace CarCareTracker.External.Implementations
{
public class PGSupplyRecordDataAccess : ISupplyRecordDataAccess
{
private NpgsqlConnection pgDataSource;
private readonly ILogger<PGSupplyRecordDataAccess> _logger;
private static string tableName = "supplyrecords";
public PGSupplyRecordDataAccess(IConfiguration config, ILogger<PGSupplyRecordDataAccess> logger)
{
pgDataSource = new NpgsqlConnection(config["POSTGRES_CONNECTION"]);
_logger = logger;
try
{
pgDataSource.Open();
//create table if not exist.
string initCMD = $"CREATE TABLE IF NOT EXISTS app.{tableName} (id INT GENERATED ALWAYS AS IDENTITY primary key, vehicleId INT not null, data jsonb not null)";
using (var ctext = new NpgsqlCommand(initCMD, pgDataSource))
{
ctext.ExecuteNonQuery();
}
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
}
}
public List<SupplyRecord> GetSupplyRecordsByVehicleId(int vehicleId)
{
try
{
string cmd = $"SELECT data FROM app.{tableName} WHERE vehicleId = @vehicleId";
var results = new List<SupplyRecord>();
using (var ctext = new NpgsqlCommand(cmd, pgDataSource))
{
ctext.Parameters.AddWithValue("vehicleId", vehicleId);
using (NpgsqlDataReader reader = ctext.ExecuteReader())
while (reader.Read())
{
SupplyRecord supplyRecord = JsonSerializer.Deserialize<SupplyRecord>(reader["data"] as string);
results.Add(supplyRecord);
}
}
return results;
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
return new List<SupplyRecord>();
}
}
public SupplyRecord GetSupplyRecordById(int supplyRecordId)
{
try
{
string cmd = $"SELECT data FROM app.{tableName} WHERE id = @id";
var result = new SupplyRecord();
using (var ctext = new NpgsqlCommand(cmd, pgDataSource))
{
ctext.Parameters.AddWithValue("id", supplyRecordId);
using (NpgsqlDataReader reader = ctext.ExecuteReader())
while (reader.Read())
{
SupplyRecord supplyRecord = JsonSerializer.Deserialize<SupplyRecord>(reader["data"] as string);
result = supplyRecord;
}
}
return result;
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
return new SupplyRecord();
}
}
public bool DeleteSupplyRecordById(int supplyRecordId)
{
try
{
string cmd = $"DELETE FROM app.{tableName} WHERE id = @id";
using (var ctext = new NpgsqlCommand(cmd, pgDataSource))
{
ctext.Parameters.AddWithValue("id", supplyRecordId);
return ctext.ExecuteNonQuery() > 0;
}
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
return false;
}
}
public bool SaveSupplyRecordToVehicle(SupplyRecord supplyRecord)
{
try
{
if (supplyRecord.Id == default)
{
string cmd = $"INSERT INTO app.{tableName} (vehicleId, data) VALUES(@vehicleId, CAST(@data AS jsonb)) RETURNING id";
using (var ctext = new NpgsqlCommand(cmd, pgDataSource))
{
ctext.Parameters.AddWithValue("vehicleId", supplyRecord.VehicleId);
ctext.Parameters.AddWithValue("data", "{}");
supplyRecord.Id = Convert.ToInt32(ctext.ExecuteScalar());
//update json data
if (supplyRecord.Id != default)
{
string cmdU = $"UPDATE app.{tableName} SET data = CAST(@data AS jsonb) WHERE id = @id";
using (var ctextU = new NpgsqlCommand(cmdU, pgDataSource))
{
var serializedData = JsonSerializer.Serialize(supplyRecord);
ctextU.Parameters.AddWithValue("id", supplyRecord.Id);
ctextU.Parameters.AddWithValue("data", serializedData);
return ctextU.ExecuteNonQuery() > 0;
}
}
return supplyRecord.Id != default;
}
}
else
{
string cmd = $"UPDATE app.{tableName} SET data = CAST(@data AS jsonb) WHERE id = @id";
using (var ctext = new NpgsqlCommand(cmd, pgDataSource))
{
var serializedData = JsonSerializer.Serialize(supplyRecord);
ctext.Parameters.AddWithValue("id", supplyRecord.Id);
ctext.Parameters.AddWithValue("data", serializedData);
return ctext.ExecuteNonQuery() > 0;
}
}
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
return false;
}
}
public bool DeleteAllSupplyRecordsByVehicleId(int vehicleId)
{
try
{
string cmd = $"DELETE FROM app.{tableName} WHERE vehicleId = @id";
using (var ctext = new NpgsqlCommand(cmd, pgDataSource))
{
ctext.Parameters.AddWithValue("id", vehicleId);
return ctext.ExecuteNonQuery() > 0;
}
}
catch (Exception ex)
{
_logger.LogError(ex.Message);
return false;
}
}
}
}